Answer:
A. 10mn³
Explanation:
To divide numbers in power form but to the same base, we simply subtract the powers and then divide the coefficients of the the bases.
-50m³n⁵ /-5m²n²
=10m⁽³⁻²⁾ n⁽⁵⁻²⁾
=10mn³
A negative number divided by a negative number = a positive number.